plural noun Ru·dis·ta \rüˈdistə\

Definition of Rudista

in some classifications

  1. :  a division of Eulamellibranchia comprising extinct chiefly Cretaceous bivalve mollusks with one valve elongate, conical, and thick-shelled and the other small and fitting like a lid on the first


adjective or noun


adjective or noun

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Origin and Etymology of rudista

New Latin, from Latin rudis rude, raw + -ista -ist

Seen and Heard

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to cast off or become cast off

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